Phelps played (consolation?) beer pong Saturday evening with Stacy Keibler in Cabo San Lucas, Mexico, according to Keibler's Instagram feed. Rossee posted a photo Sunday of herself and a friend on the beach in California.

As recently as Thursday, the two had cavorted with the dolphins at the National Aquarium in Baltimore.

An inquiry with Octagon, the agency representing Phelps, was not immediately returned.

Michael Phelps, it seems, has a girlfriend: Megan Rossee. The tabloids are singing it from the rooftops. She's calling him "bear" on Twitter. And Monday night, the new couple walked arm-in-arm down a red carpet in London. She's a 25-year-old Los Angeles model/cocktail waitress. She's apparently...

There's more to Michael Phelps than medals and chlorine. We know, you're wondering, "But, what?" We scoured the Olympian's Twitter account, mining it for mentions of what, besides making history, gets him going. We present a fairly comprehensive list of Michael Phelps' favorite things. And no,...